DM

Diana R. McFarland

VI Vistech: 1 patents #3 of 19Top 20%
📍 Dayton, OH: #1,048 of 1,892 inventorsTop 60%
🗺 Ohio: #42,657 of 73,341 inventorsTop 60%
Overall (All Time): #3,935,768 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4859052 Portable screen assembly for visual acuity testing Robert P. Ginsburg, Arthur P. Ginsburg 1989-08-22